... Методы и подходы к изучению солнечной активности на длительной вековой шкале. а) Служба Солнца. ... Schove D.J. Sunspot cycles. ... Krivsky L. Long-term fluctuations of solar activity during the last thousand years. ... Makarov V.I., Tlatov A.G., Callebaut D.K., Obridko V.N., and Shelting B.D. Large-Scale Magnetic Field and Sunspot Cycles. ... Pevtsov, A.A.; Nagovitsyn, Y. A.; Tlatov, A. G., & Rybak, A. L. Solar Cycle Variations of Sunspot Magnetic Field Strengths from the Mount Wilson Observatory. ...